句型转换，每空一词。（每空0.5分，计6分）
After he got home, he helped her mother cook dinner at once. (同义句)
He helped his mother cook dinner ________ _______ ________ he got home.
I will ask our teachers for help. (同义句)
I’ll __________ ___________ our teachers.
The little girl could swim two years ago. (同义句)
The little girl ____________　___________ to swim two years ago.
He paid ten dollars for the bike. (同义句)
He __________ ten dollars in ___________ the bike.
The music sounds wonderful. (划线部分提问)
______the music      __?